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The AAPG/Datapages Combined Publications Database

Showing 44,985 Results. Searched 200,616 documents.

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RESOLVING THREE-DIMENSIONAL AND SUBSURFICIAL FEATURES OF CARBONACEOUS COMPRESSIONS AND SHELLY FOSSILS USING BACKSCATTERED ELECTRON SCANNING ELECTRON MICROSCOPY (BSE-SEM)

A.D. MUSCENTE, SHUHAI XIAO

PALAIOS

... them to lose energy or exit the sample. Generally, the amount of scattering per unit distance, the average scattering angle, and energy loss rate...

2015

Subseismic pathway prediction by three-dimensional structural restoration and strain analysis based on seismic interpretation

Jennifer Ziesch, David C. Tanner, and Charlotte M. Krawczyk

AAPG Bulletin

.... • Fault kinematics: the 3-D movement vector on the fault surface, can be difficult to extract in three dimensions (Ziesch et al., 2015). We calculated mean...

2019

Oligocene Continental Sedimentation in the Caliente Range Area, California

J. Alan Bartow

Journal of Sedimentary Research (SEPM)

...). The discordance between the two unit in the La Panza Range ranges from near zero to about 50°. Early to middle Eocene fossils occur in the Upper...

1978

Geological History of the Powder River Basin, Wyoming: ABSTRACT

Bernard E. Weichman

AAPG Bulletin

... the geologic section is divided into eight rock units. Some of these rock units cross time boundaries between periods. Rock Unit 1 includes Cambrian...

1964

Jurassic Paleotectonics in the West-Central Part of the Colorado Plateau, Utah and Arizona: Part IV. Southern Rocky Mountains

F. Peterson

AAPG Special Volumes

... in the middle of the Salt Wash had consistently lower values than overlying or underlying beds. In addition, cross-bedding dip vector resultants...

1986

Landscape Ecology and Quantitative Stratigraphy: Parallel Perspectives on Spatial Heterogeneity

Roy E. Plotnick

Special Publications of SEPM

... the distri bution of a property within a stratigraphic unit is measured is a entities am as function of whether over we are interested in its...

1999

Review of the CrustLithosphere Research in the Carpathians

Lubomil Pospil, Antal dm

AAPG Special Volumes

..., Induction vector estimates in the PolishCzechoslovak part of the Carpathians: Studia Geophysica et Geodaetica, v. 23, p. 8993.Jiricek, R., 1979, Tectonic...

2006

Quantifying the Impacts of CO2 Adsorption on the Elasticity of Organic-Rich Mudrocks

Jamil El Masry, Ibrahim Gomaa, Elsa Maalouf, Zoya Heidari

Unconventional Resources Technology Conference (URTEC)

... types. Moreover, we model the molecular structures of immature kerogen types IA and IIA and the thermally mature kerogen type IIC. We replicate the unit...

2025

Tectonic and Sedimentologic History of Lower Jurassic Sunrise and Dunlap Formations, West-Central Nevada

K. O. Stanley

AAPG Bulletin

... (1964) in a silty limestone unit exposed in the Excelsior Mountains (Fig. 2, area VII), which I believe to be in fault contact with surrounding Gold Range...

1971

Chapter 7: Bounding Surfaces in Eolian Sediments

S. G. Fryberger

Rocky Mountain Section (SEPM)

..., (Table I). Table 1. Dhahran average monthly drift potentials 1970-81 (in vector units, v.u.) Seasonal and annual energy variations at Dhahran, Saudi...

1990

Key Properties are not Well Represented by Means: Spatial Asymmetry in Coal Seam Gas Reservoir Modelling

Sebastian Hoerning, Iain Rodger

Unconventional Resources Technology Conference (URTEC)

... in rank space, s denotes a location and h a distance vector. The empirical asymmetry function can be calculated via: (3) where N(h) denotes the number...

2021

Ideas sobre la Geologia Estructural del Noreste de Colombia y su Relacion con los Campos de Petroleo [PAPER IN SPANISH] Thoughts on Northeast Structural Geology of Colombia and its Relation to Oil Fields

W. Martinez, W. Rubio, A. Mendez, A. Taborda

Asociación Colombiana de Geólogos y Geofisicos del Petróleo (ACGGP)

... collision. The unit transfer is carried out with the help of an important axial line that coinciding with the change of tectonic vergents, generates...

1988

Depositional and Structural Controls on the Distribution of Tar Sands in the Santa Cruz Mountains, California

R. Lawrence Phillips

Pacific Section of AAPG

... Paleocene to Pliocene (Clark, 1966). The Monterey Formation of middle Miocene age is the youngest unit beneath the Santa Margarita Sandstone. An angular...

1990

Sand Wash Basin, Northwest Colorado: Exploring the Niobrara Resource Play

Sandra L. Perry, Roger Hutson

Unconventional Resources Technology Conference (URTEC)

... inspection from all georectified data sets; 2) linear features are saved in georeferenced vector format and analyzed statistically for significant trends...

2013

Interpretation of Regional Stratigraphy and Source Rock Quality Using GCM Results: Margins and Basins of a Late Jurassic Seaway

Eric J. Barron, George T. Moore

Special Publications of SEPM

... 30 10 20 30 I 10 20 o 10 20 30 i - 30 20 - 20 10 - - lo o-I 50 40 20 10 o I 10 20 Scaling vector 30 > = 5m s Fig. 15.10...

1994

Application of Convective-Diffusion Models to Diagenetic Processes

James R. Wood, Ronald C. Surdam

Special Publications of SEPM

... 5 6 x j dx2 sion of the form where q is the velocity vector for the fluid A second useful approximation is to assume that the d2c D The mass...

1979

Research on facies-controlled inversion method of ultradeep carbonate fracture-cavity reservoir based on multiattribute constraints

Yongjian Zeng, Tianwei Du, Pengfei Li, Bo Liu, Fengying Yang

International Meeting for Applied Geoscience and Energy (IMAGE)

... implementation of the gradient structure tensor attribute mainly involves three steps: Step 1: Calculate the gradient vector (directional derivative) at each...

2023

Integration of Microseismic With Rock Properties From Multi-Component Seismic Data, Mississippi Lime Play, North-Central Oklahoma

Scott W. Singleton, Shihong Chi, Crystal Lapaire, Lisa Sanford, Paul Constance

Unconventional Resources Technology Conference (URTEC)

... overlain for the Woodford. Top colorbar is anisotropy magnitude from 0-8% (for vector colors), lower colorbar is Vfast magnitude from 14000 ft/sec to 19500...

2015

Pushing the limit of 5D interpolation using deep learning

Yangkang Chen, Hang Wang, Chao Li, Omar M. Saad

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝛿 (.) denotes the activation function known as the rectified linear unit (ReLU). The ReLU is an element-wise operator and is given by 2 0 0 2 4 6 8...

2024

A hybrid machine learning model for improving regression of mineral composition estimation using well logging data

Xiaojun Liu, Kezhen Hu, Stephen E. Grasby, Benjamin Lee

International Meeting for Applied Geoscience and Energy (IMAGE)

... 𝑋(𝑀, 𝑁) and 1D vector label; set 𝐼 = {𝑥(𝑚, 𝑛) ∈ 𝑋|1 ≤ 𝑚 ≤ 𝑀, 1 ≤ 𝑛 ≤ 𝑁} and a given filter 𝐾(𝑘 𝑥 , 𝑘 𝑦 ), the discrete convolution can...

2024

Grain Orientation in Sands and Sandstones

W. Schwarzacher

Journal of Sedimentary Research (SEPM)

... by the arrangement of neighboring grains and the forces acting upon the grain (current vector field and gravity). In other words, we must expect our packing...

1951

Pulsed Power Plasma Stimulation Technique … Experimental Study on Single Pulse Test for Fractures Initiation

Yue Xiao, Waylon House, Ebru Unal, Mohamed Soliman

Unconventional Resources Technology Conference (URTEC)

... the Vector Potential formalism. One interesting results of their analytical work is that a near magnetic induction zone is significant as well as the far...

2018

A Three-Dimensional Correction Factor Equation for Deviated Wells

Daniel J. Tearpock, Harvey Pousson

GCAGS Transactions

.... [EQUATION(1)] a is the angle between the plane SIN x + COS z = 0 and the direction M = COS i + SIN j. Since M is a unit vector, as in N, then: COS...

1990

Chemostratigraphy of the Permian Sediments in Bintuni Area, Papua Barat Province

Rijal Anshori

Indonesian Petroleum Association

... interpretation can be made, and deposited in non-marine environment.  Seismic quality is relatively poor in this interval. It shows that the Permian unit...

2018

Computer Modeling of the Evolution of Fluvial Systems

Mark R. Vining

GCAGS Transactions

... represents sediment in transport, either as suspended load or as bed load. Each of these components can be represented by a surface change vector...

1998

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